Abstract: Methods and systems for predicting properties of well bore treatment fluids are disclosed. An embodiment includes a method of predicting fluid properties comprising: determining an operational window for a well bore fluid system; collecting data at vertices of the operational window; and developing a model comprising predicted properties for a plurality of data points within the operational window, wherein developing the model uses Barycentric interpolation.

Abstract: A method for straightening a distortion of a component by way of a straightening device is provided. The straightening device includes a clamping element for clamping in the component, a straightening element for introducing a straightening force into the component, and an anvil element for supporting the component during the introduction of the straightening force. Furthermore, a straightening device for straightening a distortion of a component is provided. The straightening device includes a clamping element for clamping in the component, a straightening element for introducing a straightening force into the component, an anvil element for supporting the component during the introduction of the straightening force, and a control element for operating the straightening device.

Abstract: An object tracking system includes a sensor and a tracking system. The sensor is configured to capture a first frame of a global plane for at least a portion of a marker grid in a space. The tracking system is configured to receive a first coordinate in the global plane for a first corner of a marker grid, to determine a second coordinate in the global plane for the first marker on the marker grid, and to determine a third coordinate in the global plane where the second marker on the marker grid. The tracking system is further configured to determine a first pixel location for the first marker, to determine a second pixel location for the second marker, and to generate a homography based on the second coordinate for the first marker, the third coordinate for the second marker, the first pixel location, and the second pixel location.

Abstract: A method of prompting a failure or error, applicable to a terminal apparatus including a fingerprint recognizer having a sensor array, includes: obtaining electrical signals containing fingerprint information through the sensor array upon a fingerprint recognition being triggered; determining a number of sensors with abnormally-changing electrical signals in the sensor array; and outputting prompt information upon the determined number of sensors exceeds a number threshold.

Abstract: The disclosed systems and methods include a contextual recommendation engine comprising at least one processor; and at least one non-transitory memory containing instructions. When executed by the at least one processor the instructions cause the contextual recommendation engine to perform operations. The operations include receiving a description of a first service from a service provider. The operations also include receiving content selection rules that map user contexts to services. The operations also include receiving a first script including instructions for providing services. The operations also include associating the first service with the first script. The operations also include receiving, from a first touchpoint, touchpoint data concerning a first user. The operations also include updating a stored context of the first user based on the touchpoint data. The operations also include selecting the first service based on the updated context and the content selection rules.

Abstract: An active sensor calibration system includes a plurality of sensors configured to measure at least one physical quantity. Each sensor is configured to output a signal indicating at least one measured physical quantity. An electronic scenario library module is configured to store a plurality of scenarios. Each scenario is configured to excite two or more selected sensors among the plurality of sensors to generate redundancy among the selected sensors based on physical quantity models. An electronic calibration module is in signal communication with the plurality of sensors and the scenario library. The calibration module is configured to select at least one scenario from the scenario library module, determine at least one possible un-calibrated sensor among the plurality of sensors, and to identify a positive un-calibrated sensor in response to executing the at least one selected scenario.

Abstract: Embodiments of the disclosure include a salt analyzer for crude oil. The crude oil salt analyzer includes a salt concentration model that determines a salt concentration from desalting process parameters that may include a demulsifier flowrate, a crude oil temperature, a crude oil flowrate, a desalting electrostatic grids voltage, a wash water flowrate, and a disposal water flow rate. The crude oil salt analyzer may compare the salt concentration to a threshold concentration to determine if the salt concentration exceeds the threshold concentration and may perform or initiate actions based on the comparison. Methods, computer-readable media, and plant information systems using the crude oil salt analyzer are also provided.

Abstract: A compound sensor system includes a first sensor, a second sensor, a memory that stores a module, and a processor coupled to the first sensor, the second sensor, and the memory. The first sensor is configured to detect a parameter that indicates a likelihood of having a user enter or leave a target area, and, in response, send a first command signal to the processor. The processor is configured to receive the first command signal from the first sensor and send a second command signal to the second sensor based on receiving the first command signal. The second sensor is configured to operate at a sleep mode and switch to an active mode upon receiving the second command signal, and during the active mode the second sensor is configured to determine if the user enters or leaves the target area.

Abstract: Systems, methods, and other embodiments described herein relate to a manner of extending the use of originally-equipped automotive vehicle sensors to environmental mapping. In one embodiment, a method includes acquiring sensor data from a vehicle-equipped detachable sensor of an environment around a non-automotive entity when the vehicle-equipped detachable sensor is mounted to the non-automotive entity. The vehicle-equipped detachable sensor is capable of sensing a portion of an environment around an automotive vehicle and configured to communicate with a computing device. The vehicle-equipped detachable sensor is also structured to be detached from the automotive vehicle and mounted to the non-automotive entity. Further, the method includes receiving a mapping request from the computing device. The method also includes, in response to the mapping request, building a map, from the acquired sensor data, of an area traveled by the non-automotive entity.

Abstract: The present disclosure relates to an electronic device and a method capable of allowing a pressure sensor to accurately sense a pressure value regardless of environmental factors, a change in elasticity of an elastic layer, and a change in an inter-electrode layer gap, wherein the method may include determining, using the pressure sensor, a pressure level while there is no external pressure against the front plate and adjusting at least one threshold level for the electronic device to use when there is an external pressure against the front plate, based at least in part on the determined pressure level.

Abstract: A fingerprint recognition method includes: acquiring a prestored number of historical defect pixels after a fingerprint recognition sensor captures a first fingerprint image; prohibiting performing matching recognition on the first fingerprint image upon the number of the historical defect pixels being greater than or equal to a first preset number threshold; detecting a number of damaged capturing modules of the fingerprint recognition sensor to obtain a number of current defect pixels; and updating the number of the historical defect pixels by using the number of the current defect pixels, the updated number of the historical defect pixels being used for determining whether to perform matching recognition on a fingerprint image captured next time.

Abstract: An electronic device configured for real-time calibration of an on-board accelerometer. A plurality of acceleration measurements are collected from the accelerometer to form a data set. An accelerometer error correction model is maintained that includes bias error calibration parameters, sensitivity calibration parameters, and cross-axis calibration parameters that each specify respective weights for each of bias error, sensitivity error, and cross-axis error. Calibration values are determined for one or more of the bias error calibration parameters, the sensitivity calibration parameters, and the cross-axis error calibration parameters for the data set of acceleration measurements using the accelerometer error correction model. A true acceleration vector may be determined that corresponds to a subsequently received acceleration measurement using the determined calibration values.

Abstract: A vehicle wheel alignment system has a plurality of cameras, each camera for viewing a respective target disposed at a respective wheel of the vehicle and capturing image data of the target as the wheel and target are continuously rotated a number of degrees of rotation without a pause. The image data is used to calculate a minimum number of poses of the target of at least one pose for every five degrees of rotation as the wheel and target are continuously rotated the number of degrees of rotation without a pause. At least one of the cameras comprises a data processor for performing the steps of preprocessing the image data, and calculating an alignment parameter for the vehicle based on the preprocessed image data.

Abstract: Example systems and methods for detecting an animal proximate a vehicle are described. In one implementation, a wearable device carried by an animal is activated when the wearable device is within a predetermined distance of a vehicle. The vehicle receives a signal from the wearable device and determines an approximate distance between the wearable device and the vehicle. An alert is generated to warn a driver that an animal is near the vehicle. The alert has an intensity level that corresponds to the approximate distance between the wearable device and the vehicle.

Abstract: Methods, systems and devices for providing improved calibration accuracy of continuous and/or in vivo analyte monitoring systems based at least in part on insulin delivery information are provided. Many of the embodiments disclosed herein can determine appropriate conditions for performing a calibration of the analyte sensor in view of the scheduled delivery of insulin or administered insulin amount. One or more other parameters or conditions can also be incorporated to improve calibration accuracy including, for example, the physiological model associated with a patient, meal information, exercise information, activity information, disease information, historical physiological condition information, as well as other types of information. Furthermore, according to some embodiments, calibration of the analyte sensor can be delayed or not performed at all, if appropriate conditions are not met.

Abstract: Systems, methods and articles of manufacture relating to calibration of a magnetometer in an electronic device suitable for use in an augmented reality (AR) and/or virtual reality (VR) video game. An electronic video game device includes a magnetometer. A prompt is displayed in the video game requesting a user-performed first gameplay motion using the electronic video game device where the first gameplay motion is a pre-defined motion used for calibrating the magnetometer. A first plurality of measurements is received from the magnetometer relating to a magnetic field in a physical gameplay environment, where the first plurality of measurements is taken by the magnetometer during the first gameplay motion. The first plurality of measurements is analyzed to detect a magnetic bias in the magnetometer. The magnetometer is calibrated to offset the magnetic bias.

Abstract: A method may include applying an excitation signal to a capacitor of the capacitive sensor which causes generation of a modulated signal from an input signal indicative of a variance in a capacitance of the capacitor, detecting the modulated signal with a detector to generate a detected modulated signal that has a phase shift relative to the excitation signal, demodulating the detected modulated signal into an in-phase component and a quadrature component using a reference signal, nullifying the quadrature component by setting a phase of the reference signal relative to the excitation signal to compensate for the phase shift, and outputting the in-phase component as an unmodulated output signal representative of the capacitance.

Abstract: The present disclosure illustrates a calibration method and circuit for a pressure sensing device. The calibration method, via at least one passive component (e.g., the default capacitor) installed in the pressure sensing device, obtains a calibration gain factor of at least one converter also installed in the pressure sensing device, and when the pressure sensing device is in a regular operating mode, the calibration gain factor can be used to calibrate the output of the converter, so that a sensing signal inputted into the pressure sensing device can be correctly converted to a relevant pressure value.

Abstract: A system including a processing device and an exchangeable camera connected thereto for detecting a machine-readable security feature of a valuable document. The system is calibrated by means of processing device correction data, which relate to characteristics of the processing device, and camera calibration data, which relate to the characteristics of the processing device and of the camera connected thereto. The camera includes a memory configured to store the processing device correction data and the camera calibration data relating to the System in which the calibration is carried out, and the processing device includes a memory configured to store the processing device correction data and the camera calibration data relating to the system in which operation for detecting a machine-readable security feature of the valuable document is carried out.

Abstract: An automotive detection system includes a signal transmitter and a receiver, which generates receive signals indicative of reflected signals. A processor (i) receives the receive signals, (ii) processes the receive signals to generate detections of one or more objects in the region, each of the detections being associated with a position in a two-dimensional orthogonal coordinate system in a plane in which the sensor is moving, (iii) detects a pattern of detections in the two-dimensional orthogonal coordinate system by determining a quantity of detections having coordinates in a rectangular region within the two-dimensional orthogonal coordinate system, (iv) determines an angle of an axis of the rectangular region with respect to a reference direction in the two-dimensional orthogonal coordinate system, and (v) determines an angle of misalignment of the sensor from the angle of the axis of the rectangular region with respect to the reference direction.

Abstract: A calibration method performed by a distance sensor emitting at least one beam is provided. The calibration method includes obtaining information regarding one surface of an object; obtaining distance sensor data by emitting a plurality of beams to the one surface of the object; and performing calibration on the plurality of beams emitted by the distance sensor, based on the information about the one surface of the object and the distance sensor data.

Abstract: An input device (100) is configured to detect force being applied to an input region (120) of the device (100) by an input object (140), in addition to the position of the input object (140) using touch sensing methods. The input device (100) applies a position-based jitter force filter to the force sensor data to compensate for a non-uniform response across the input device (100), as well as the movement of an input object (140).

Abstract: A vehicle wheel alignment system has a plurality of cameras, each camera for viewing a respective target disposed at a respective wheel of the vehicle and capturing image data of the target as the wheel and target are continuously rotated a number of degrees of rotation without a pause. The image data is used to calculate a minimum number of poses of the target of at least one pose for every five degrees of rotation as the wheel and target are continuously rotated the number of degrees of rotation without a pause. At least one of the cameras comprises a data processor for performing the steps of preprocessing the image data, and calculating an alignment parameter for the vehicle based on the preprocessed image data.

Abstract: A test wafer having two spaced-apart accelerometers mounted thereon is disclosed. The accelerometers may be positioned at locations located along a common axis passing through the center of gravity of the test wafer. The test wafer may include a controller that may be used to transmit acceleration data collected by the accelerometers to another device. In some implementations, a semiconductor processing tool is provided that includes a test wafer receptacle for storing a test wafer that remains with the semiconductor processing tool and that may be retrieved by a wafer handling robot for performing a test cycle during periods when the wafer handling robot is not performing substrate transport operations.

Abstract: A servo-controlled vehicle-supporting apparatus maintaining an unrestrained and freely self-propelled vehicle longitudinally stationary thereon. When employed inside a wind tunnel, the power transferred through groundward contact with the vehicle wheels can be directly measured, thereby indicating the propulsive power required to overcome total drag forces on a vehicle as if driving on a roadway.

Abstract: A method performs state estimation of a distribution network based on real time measurement values. The method includes calculating load scaling factors at least for non-redundantly measurable parts of the distribution network, determining whether each of the load scaling factors related to a non-redundantly measurable part of the distribution network is within a given range (RLSF), and discarding the measurement values related to the corresponding scaling factor for all load scaling factors outside the given range (RLSF). The network state of the distribution network is then estimated based on the remaining measurement values.

Abstract: An electronic device configured for real-time calibration of an on-board accelerometer. A plurality of acceleration measurements are collected from the accelerometer to form a data set. An accelerometer error correction model is maintained that includes bias error calibration parameters, sensitivity calibration parameters, and cross-axis calibration parameters that each specify respective weights for each of bias error, sensitivity error, and cross-axis error. Calibration values are determined for one or more of the bias error calibration parameters, the sensitivity calibration parameters, and the cross-axis error calibration parameters for the data set of acceleration measurements using the accelerometer error correction model. A true acceleration vector may be determined that corresponds to a subsequently received acceleration measurement using the determined calibration values.

Abstract: A method for checking positioning accuracy of a CNC machine with a machine tool head and a machine table using an x, y, z coordinate system, the method comprising: a) arranging a plurality of vessels on the table, the vessels in fluid connection with each other to form a system of vessels, the vessels filled with a liquid, b) mounting a distance sensor to the tool head, c) positioning the tool head to a position above the surface of the liquid in one of the vessels, d) a determining the z coordinate for which the distance sensor touches the surface of the liquid, or, for a predetermined position of the tool head in z direction above the liquid, determining the distance between the distance sensor and the liquid; steps c) and d) are repeated for each vessel to determine a z coordinate of the surface of the liquid.

Abstract: An electronic device may be provided with a display mounted in a housing. An ambient light sensor may measure the color of ambient light through an ambient light sensor window in the display. The ambient light sensor may have an array of light detectors on a semiconductor die. The light detectors may include color matching function light detectors that have spectral sensitivity profiles that match standard observer color matching functions and may include spectral sensing light detectors. The spectral sensing light detectors may have narrower full width at half maximum bandwidths than the color matching function light detectors and may be used with the color matching function light detectors to measure an ambient light spectrum. The color matching function light detectors may be used to measure the color of ambient light.

Abstract: A computer system having a display generation component, one or more input devices, one or more cameras, and one or more attitude sensors receives a request to display an augmented reality view of a physical environment in a first user interface region that includes a representation of a field of view of the one or more cameras. In response to receiving the request, in accordance with a determination that calibration criteria are not met, a calibration user interface object is displayed. In response to detecting a change in attitude of the one or more cameras in the physical environment, at least one display parameter of the calibration user interface object is adjusted in accordance with the detected change. In response to detecting that the calibration criteria are met, the calibration user interface object ceases to be displayed.

Abstract: A measurement device (MD) includes a processor to sample electrical signals of a circuit connected to a sensor, such as a current transformer, and to provide measurement data to a processing system (PS) based on the sampled electrical signals. An electrical circuit carrying AC electricity to and from an electrical shop tool (EST) can pass through the sensor. The measurement data can represent use or non-use of the EST. An EST, such as a vehicle lift or wheel balancer, can comprise an electrical motor connected to the electrical circuit. An EST, such as an air compressor, can comprise an electrical pump connected to the electrical circuit. The PS can determine an actionable condition based on a single measurement value or an aggregate of measurement values and determine a notification to send to a destination regarding the actionable condition. The destination can be a user account, a smartphone, or another destination.

Abstract: A method and a device for the dynamic monitoring of an air charging system of an internal combustion engine, subsystems of the air charging system having a low-pass characteristic, and a characteristic state quantity that is to be measured being compared with a modeled, identical state quantity. The measured signal and the modeled signal are filtered using a high-pass filter or bandpass filter, and, given a change in the characteristic state quantity that is to be measured, higher-frequency signal portions are evaluated, which is advantageous with regard to the recognition of so-called slow response errors.

Abstract: The invention relates to a navigational aid method for an inertial navigation system including at least one inertial sensor (4) having a sensitive axis (X-X), each inertial sensor (4) comprising an ASG gyroscope (8) able to deliver an ASG signal representative of a rotation about the corresponding sensitive axis (X-X), and a MEMS gyroscope (10) able to deliver a MEMS signal representative of a rotation about the corresponding sensitive axis (X-X), the method including the steps of: between a first date and a subsequent third date, calculating a path from the MEMS signals; from the third date, calculating the path from the ASG signals; estimating a bias vector introduced by the MEMS gyroscopes (10), from the MEMS signals and ASG signals; at a fourth date subsequent to the third date, resetting the path.

Abstract: System and method for auto-calculating uncertainty of a measurement performed by a measurement device. The measurement device initiates a measurement or measurements. In response to the measurement initiation, a driver of the measurement device sends an error specification request to each of a plurality of hardware modules involved in the measurement. Each of the plurality of hardware modules determines the requested error specifications based on a current configuration of the respective hardware module. The measurement device then calculates an uncertainty associated with the measurement or measurements based on the error specifications.

Abstract: A vehicle-mounted stereo camera device that achieves high-precision distance detection is provided. The provided vehicle-mounted stereo camera device includes a left camera and right camera disposed on a vehicle to cause a visual field of the left camera and a visual field of the right camera to overlap each other, a stereo processor that calculates a distance to a body outside the vehicle based on images captured by the left camera and right camera and on positions of the left camera and right camera on the vehicle, and sensors disposed near the left camera and right camera for detecting displacement amounts of the left camera and right camera. The stereo processor changes a cutout positions in the images captured by the left camera and right camera based on the displacement amounts.

Abstract: A self-calibrating sensor system is provided and includes one or more sensors supportively disposed on or proximate to a wall defining one or more apertures and a processor. Each of the one or more sensors is configured to track individuals proximate to at least one of the one or more apertures. The processor is configured to determine one or more of a location and an orientation of each of the one or more sensors relative to the at least one of the one or more apertures from analyses of the tracking of the individuals.

Abstract: A control system for a facility can automatically control lighting conditions in an area of a facility to prevent the accidental turning off of lights in the area while machines or equipment are operating in the area. The control system can use information from a compressed air system that provides compressed air to the machines in the area to determine if the machines are presently being used in the area. If the machines are being used, the control system can control the lighting conditions in the area to provide a appropriate level of lighting. If the machines are not being used in the area, the control system can control the lighting conditions in the area based on one or more occupancy sensors used to determine if a person is located in the area.

Abstract: A method of sensing electrical power being provided to a structure using a sensing device, a calibration device, and one or more processing modules. The sensing device can include one or more magnetic field sensors. The sensing device can be attached to a panel of a circuit breaker box. The panel of the circuit breaker box can overlie at least a part of one or more main electrical power supply lines for an electrical power infrastructure of a structure. The calibration device can include a load unit. The calibration device can be electrically coupled to the electrical power infrastructure of the structure. The method can include automatically calibrating the sensing device by determining a first transfer function in a piecewise manner based on a plurality of ordinary power consumption changes in the structure.

Abstract: A method and system to determine orientation of a device is disclosed. The device includes a plurality of sensors. A first signal indicative of an orientation of the device is generated using at least a first subset of sensors, with at least one sensor. A second signal indicative of the orientation of the device is generated using at least a second subset of sensors, with at least one sensor. The first signal and the second signal is compared to determine if indicated orientation is acceptable. If the orientation is not acceptable, one or more sensors are calibrated.

Abstract: A system and method for automatic plant monitoring. The method comprises: identifying at least one test input respective of a test area, wherein the test area includes at least one part of a plant; and generating a plant condition prediction based on the at least one test input and on a prediction model, wherein the prediction model is based on a training set including at least one training input and at least one training output, wherein each training output corresponds to a training input.

Abstract: A method for estimating a path of a moving element or body using a sensor assembly includes: receiving acceleration values provided by an accelerometer; receiving angular velocity values provided by a gyrometer; processing the values provided for estimating at least one angular position value using the angular velocity values and at least two Cartesian position values defining a path of the moving element or body using acceleration values and the at least one previously estimated angular position value; estimating rotation parameters, by inverting a rotational realignment model of the estimated path subject to prior knowledge of the path; retroactively correcting the at least one estimated angular position value, by applying a rotation on this value using estimated rotation parameters, so as to provide at least one corrected angular position value.

Abstract: Aspects of gait matching are described herein. In one embodiment, a method of gait matching includes identifying a gait cycle timing in a data sequence captured by an inertial sensor, splitting the data sequence into a gait cycle segment, resampling the gait cycle segment, and estimating a rotation matrix for the resampled gait cycle segment. The rotation matrix, in one embodiment, can be estimated by minimizing a root mean squared deviation between the resampled gait cycle segment and a reference gait cycle segment. The method further includes calculating an aligned gait cycle segment from the resampled gait cycle segment using the rotation matrix, and generating a similarity measure between the aligned gait cycle segment and the reference gait cycle segment.

Abstract: A method is provided. The method comprises: transmitting a periodic chirp to at least two pixels of a MEMS sensor array; determining a resonant frequency of each MEMS resonant sensor receiving the periodic chirp; determining the change in resonant frequency of each MEMS resonant sensor receiving the periodic chirp; determining a power level incident upon each pixel receiving the periodic chirp. In one embodiment, the method further comprises calibrating the MEMS sensor array. In another embodiment, calibrating comprises generating a reference resonant frequency for each MEMS resonant sensor. In a further embodiment, determining the power level comprises determining a difference between the determined resonant frequency and the reference resonant frequency.

Abstract: A method for analyzing a dynamic scene partitioned into cells which involves determining a probability of occupancy of a cell and a probability or probabilities of movement of the cell by solving the equation P(OV|ZC)=?A0?1V-1P(CA00?1VV?1Z)/?A00?1VV?1P(CA00?VV?1Z) comprising the determination of the speeds and positions of dummy particles in the grid depending on those determined at the (k?1)th iteration and the probability P(V|V?1); the determination of the particles located in each cell depending on the determined positions, and the solving of the equation, for a cell, is split into the solving of a static part corresponding to P(0=empty, V=0|ZC) and P(0=occupied, V=0|ZC) and the solving of a dynamic part corresponding to P(0=occ, V=vki,|ZC), i=32 1 to nk, in which nk is the number of particles determined in cell C for the kth iteration.

Abstract: A method for storing information corresponding to a baled crop during a baling process includes providing a harvesting machine including a control unit, a sensor, and a bale tag reader. The method also includes forming the baled crop with a bale tag by the harvesting machine, identifying the baled crop by the control unit with a bale identifier, and sensing a characteristic of the baled crop by the sensor. The method further includes detecting a bale tag identifier associated with the bale tag by the bale tag reader, communicating the characteristic and bale tag identifier to the control unit, corresponding the characteristic, bale tag identifier and bale identifier of the baled crop to one another, and storing the characteristic, bale tag identifier and bale identifier in an electronic storage unit that is in electrical communication with the control unit.

Abstract: A method includes building a driver model in frequency domain, extracting S (scattering) parameters, the S parameters to describe a real curve that represents a real signal channel between the driver model and a load circuit, and generating, based on the extracted S parameters, an approaching curve of the real curve, the approaching curve being expressed in an approaching equation.

Abstract: Methods and systems for predicting properties of well bore treatment fluids are disclosed. An embodiment includes a method of predicting fluid properties comprising: determining an operational window for a well bore fluid system; collecting data at vertices of the operational window; and developing a model comprising predicted properties for a plurality of data points within the operational window, wherein developing the model uses Barycentric interpolation.

Abstract: A cooling system has both pumped refrigerant economization and direct expansion cooling. When outside air temperature is low enough that pumped refrigerant economization can provide enough cooling to satisfy cooling demand, only pumped refrigerant economization cooling is used to provide cooling. When outside air temperature is low enough that pumped refrigerant economization can provide some but not all of the cooling needed to satisfy cooling demand, the pumped refrigerant economization is operated at one hundred percent capacity and the direct expansion cooling is operated at a capacity to provide any supplemental cooling that is needed. If the outside air temperature is high enough that pumped refrigerant economization cannot provide any cooling, then only direct expansion cooling is used to provide cooling.

Abstract: A gyroscope apparatus for a device including an accelerometer and a magnetic component has a gravity vector generator connected to the accelerometer and receptive to acceleration readings therefrom. A magnetic component output generator is connected to the magnetic component and receptive to magnetic component readings. A sensor fusion engine is connected to the gravity vector generator and to the magnetic component output generator, with a gravity vector value and a magnetic field vector value at a first time instance being combined to represent a first orientation value. The gravity vector value and the magnetic field vector value at a second time instance are combined to represent a second orientation value. An orientation rate of change is derived from a difference between the first orientation value and the second orientation value.

Abstract: Disclosed is a method of controlling an electronic device and an electronic device. The method may include: acquiring motion information of an electronic device; performing an inertial force correction for removing a part by an inertial force from the acquired motion information; and displaying a screen corresponding to the inertial force-corrected motion information.